Compatible with ANT+-protocol APP and bike computer: Garmin sports wristwatch, Garmin bike computer, iGPSPORT, Zwift, Onelap, Bkool, Tacx, etc. Compatible with Bluetooth-protocol APP and bike computer: Suunto Bluetooth sports wristwatch, NIKE+、STRAVA、Runkeeper、Runtastic Pro、Endomondo、Moofit、Sports tracker、Wahoo Fitness, etc.